Editing Sinclair ZX81 emulators
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|developer = Sinclair Research | |developer = Sinclair Research | ||
|type = [[:Category:Computers|Computers]] | |type = [[:Category:Computers|Computers]] | ||
+ | |generation = Z80-based home computers | ||
|release = 1981 | |release = 1981 | ||
|discontinued = 1984 | |discontinued = 1984 | ||
|predecessor = ZX80 | |predecessor = ZX80 | ||
− | |successor = [[ZX Spectrum | + | |successor = [[ZX Spectrum emulators|ZX Spectrum]] |
|emulated = {{✓}} | |emulated = {{✓}} | ||
− | }} | + | }}The '''[[wikipedia:ZX81|ZX81]]''' was a home computer produced by Sinclair Research and manufactured in Scotland by Timex Corporation. |
− | + | It was the successor to Sinclair's ZX80 and the predecessor of the [[ZX Spectrum emulators|ZX Spectrum]] and was hugely successful, and more than 1.5 million units were sold before it was discontinued. | |
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− | It was the successor to Sinclair's ZX80 and the predecessor of the [[ZX Spectrum | ||
The ZX81 was designed to be small, simple, and above all cheap, using as few components as possible to keep the cost down. | The ZX81 was designed to be small, simple, and above all cheap, using as few components as possible to keep the cost down. | ||
− | Video output was to a television set rather than a dedicated monitor. Programs and data were loaded and saved onto audio tape cassettes. It had only four | + | Video output was to a television set rather than a dedicated monitor. Programs and data were loaded and saved onto audio tape cassettes. It had only four silicon chips on board and a mere 1 KB of memory. The machine had no power switch or any moving parts and used a pressure-sensitive membrane keyboard for manual input. |
Its distinctive design brought its designer, Rick Dickinson, a Design Council award. | Its distinctive design brought its designer, Rick Dickinson, a Design Council award. | ||
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==Emulators== | ==Emulators== | ||
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{| class="wikitable" style="text-align:center;" | {| class="wikitable" style="text-align:center;" | ||
+ | |+PC | ||
+ | |- | ||
! scope="col"|Name | ! scope="col"|Name | ||
− | ! scope="col"| | + | ! scope="col"|Operating System(s) |
! scope="col"|Latest Version | ! scope="col"|Latest Version | ||
− | ! scope="col"| [[ | + | ! scope="col"|[[Libretro]] |
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! scope="col"|Active | ! scope="col"|Active | ||
− | ! scope="col"| | + | ! scope="col"|Relative Speed<ref>As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.</ref> |
− | + | ! scope="col"|[[Recommended emulators|Recommended]] | |
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|- | |- | ||
− | | [https:// | + | |[https://www.aptanet.org/eightyone/ EightyOne] |
− | | | + | |Windows |
− | | [ | + | |[https://sourceforge.net/projects/eightyone-sinclair-emulator/files/ 1.12] |
− | | {{ | + | |{{✓}} |
− | + | |{{✓}} | |
− | | {{✓}} | + | |114.3% |
− | | | + | |{{✓}} |
− | | {{ | ||
|- | |- | ||
− | | | + | |ZEsarUX |
− | | | + | |Multi-platform |
− | | [https:// | + | |[https://github.com/chernandezba/zesarux/releases 7.0] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✓}} | |
− | + | |110.9% | |
− | | {{✓}} | + | |{{✓}} |
− | | {{ | ||
|- | |- | ||
− | + | |[[Clock Signal|CLK]] | |
+ | |macOS and UNIXalikes | ||
+ | |[https://github.com/TomHarte/CLK/releases {{clkver}}] | ||
+ | |{{✗}} | ||
+ | |{{✓}} | ||
+ | |100.0% | ||
+ | |{{✗}} | ||
|- | |- | ||
− | | | + | |[[MAME]] |
− | | | + | |Multi-platform |
− | | [ | + | |[http://www.mamedev.org/release.html {{MAMEVer}}] |
− | | {{✗}} | + | |{{✗}} |
− | + | |{{✓}} | |
− | | {{✓}} | + | |Not tested |
− | | | + | |{{✗}} |
− | | {{ | ||
|} | |} | ||
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− | + | {{reflist}} | |
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[[Category:Computers]] | [[Category:Computers]] | ||
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